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Bolt tightening diagram for cylinder head cover - AR01.20-P-5014-03VA

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ENGINE 272 

CYLINDER HEAD

Number Designation Engine 272
BA01.30-P-1004-01O Bolt of cylinder head cover on cylinder head M7 1st stage Nm 12
  2nd stage ∠° 90

Right cylinder head cover 

IMPORTANT Tighten cylinder head cover bolts in the numerical sequence.

  1. Tighten bolts (1-18) in the 1st stage.
  2. Tighten bolts (1-18) in the 2nd stage.
    Fig 1: Right Cylinder Head Cover Bolts Tightening Sequence
    G10240518Courtesy of MERCEDES-BENZ USA

Left cylinder head cover 

IMPORTANT Tighten cylinder head cover bolts in the numerical sequence.

  1. Tighten bolts (1-18) in the 1st stage.
  2. Tighten bolts (1-18) in the 2nd stage.
    Fig 2: Left Cylinder Head Cover Bolts Tightening Sequence
    G10240519Courtesy of MERCEDES-BENZ USA